FR2431328A1 - Delivery head for radioactive gas - used e.g. in medical diagnosis, contained in bottle with penetrable membrane, delivers safely small doses previously measured - Google Patents

Delivery head for radioactive gas - used e.g. in medical diagnosis, contained in bottle with penetrable membrane, delivers safely small doses previously measured

Info

Publication number
FR2431328A1
FR2431328A1 FR7825765A FR7825765A FR2431328A1 FR 2431328 A1 FR2431328 A1 FR 2431328A1 FR 7825765 A FR7825765 A FR 7825765A FR 7825765 A FR7825765 A FR 7825765A FR 2431328 A1 FR2431328 A1 FR 2431328A1
Authority
FR
France
Prior art keywords
gas
membrane
needles
bottle
radioactive gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7825765A
Other languages
French (fr)
Other versions
FR2431328B1 (en
Inventor
Francis Poulain
Vermeir Adam
Charles Fallais
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institut National des Radioelements IRE
Original Assignee
Institut National des Radioelements IRE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from BE189375A external-priority patent/BE869116A/en
Application filed by Institut National des Radioelements IRE filed Critical Institut National des Radioelements IRE
Publication of FR2431328A1 publication Critical patent/FR2431328A1/en
Application granted granted Critical
Publication of FR2431328B1 publication Critical patent/FR2431328B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/0813—Measurement of pulmonary parameters by tracers, e.g. radioactive tracers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/02—Inhalators with activated or ionised fluids, e.g. electrohydrodynamic [EHD] or electrostatic devices; Ozone-inhalators with radioactive tagged particles
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/02—Transportable or portable shielded containers with provision for restricted exposure of a radiation source within the container

Abstract

Appts. for delivering radioactive gas contd. in a bottle closed by a membrane which can be perforated incorporates a delivery head fitted with two nozzles and two hollow needles. One nozzle is for delivering the gas. The other is for connection to a supply of a gas, e.g. air, to replace the radioactive gas. The hollow needles are for piercing the membrane and one is connected to each nozzle. Appts. includes means of keeping the bottle closed connected to the head and arranged so that the membrane can be placed opposite the needles, pushing the membrane against the needles so that they pierce it and enter the bottle, and injecting the replacement gas through one needle to force the radioactive gas out to the delivery nozzle. Certain radioactive gases, e.g. isotopes of xenon, partic. xenon 133 and xenon 127 are used for medical diagnosis of respiratory conditions such as emphysema and pulmonary embolism and it is necessary to be able to inject small doses previously measured. Compared to existing appts., the device can be completely dismantled for minute cleaning of each piece, and can be used for long periods without obstruction of the nozzles or needles. The parts in contact with the radioactive gas are in material impervious to the radiations emitted and the head can serve as screening allowing safe prolonged use.
FR7825765A 1978-07-19 1978-09-07 Delivery head for radioactive gas - used e.g. in medical diagnosis, contained in bottle with penetrable membrane, delivers safely small doses previously measured Granted FR2431328A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE189375A BE869116A (en) 1978-07-19 1978-07-19 RADIOACTIVE GAS DISTRIBUTION DEVICE

Publications (2)

Publication Number Publication Date
FR2431328A1 true FR2431328A1 (en) 1980-02-15
FR2431328B1 FR2431328B1 (en) 1983-02-25

Family

ID=3843132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7825765A Granted FR2431328A1 (en) 1978-07-19 1978-09-07 Delivery head for radioactive gas - used e.g. in medical diagnosis, contained in bottle with penetrable membrane, delivers safely small doses previously measured

Country Status (1)

Country Link
FR (1) FR2431328A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2240709A1 (en) * 1973-08-15 1975-03-14 Gen Electric Med Phys
FR2313946A1 (en) * 1975-06-13 1977-01-07 Syntex Puerto Rico Inc IMPROVEMENTS FOR POWDER INHALERS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2240709A1 (en) * 1973-08-15 1975-03-14 Gen Electric Med Phys
FR2313946A1 (en) * 1975-06-13 1977-01-07 Syntex Puerto Rico Inc IMPROVEMENTS FOR POWDER INHALERS

Also Published As

Publication number Publication date
FR2431328B1 (en) 1983-02-25

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Legal Events

Date Code Title Description
ST Notification of lapse